#4EC5E9#4EC5E9

#4EC5E9 is a light, moderate cyan. Relative luminance 0.474; OKLCH L 77.1% C 0.116 H 221.5°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#4EC5E9
RGB	rgb(78, 197, 233)
HSL	hsl(194, 78%, 61%)
HSV	hsv(194, 67%, 91%)
CMYK	cmyk(66.5%, 15.5%, 0%, 8.6%)
CIE-LAB	lab(74.46, -22.21, -27.63)
CIE-LCH	lch(74.46, 35.45, 231.21°)
OKLab	oklab(77.09% -0.0871 -0.0771)
OKLCH	oklch(77.09% 0.116 221.5)
XYZ	xyz(37.8101, 47.4312, 84.2375)
Luminance	0.4743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC5E9 #E9724E

analogous

#4EE9BF #4EC5E9 #4E78E9

triadic

#4EC5E9 #E94EC5 #C5E94E

tetradic

#4EC5E9 #BF4EE9 #E9724E #78E94E

square

#4EC5E9 #BF4EE9 #E9724E #78E94E

split-complementary

#4EC5E9 #E94E78 #E9BF4E

monochromatic

#1586A8 #1CB1DE #4EC5E9 #84D7F0 #BBE9F7

Accessibility & contrast

On white

2.00

#4EC5E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#4EC5E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC5E9

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC5E9	#FFFFFF	#000000	##000000
##4EC5E9	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C0EB

Deuteranopia (green-blind)

#9AB0E9

Tritanopia (blue-blind)

#00D0D0

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #4ec5e9;
/* rgb */ color: rgb(78, 197, 233);
/* oklch */ color: oklch(77.1% 0.116 221.5);

Tailwind

colors: {
  custom: {
    50: '#91d6f0',
    500: '#4ec5e9',
    950: '#000000',
  },
}

SCSS

$custom: #4ec5e9;
$custom-light: #91d6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec5e9",
  "rgb": {
    "r": 78,
    "g": 197,
    "b": 233
  },
  "hsl": {
    "h": 193.935,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.77087,
    "c": 0.11634,
    "h": 221.5
  },
  "luminance": 0.47435
}

Semantic roles & 50–950 ramp

primary

#4EC5E9

secondary

#E7BAAC

accent

#3B0BDA

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #4EC5E9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →